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https://doi.org/10.1021/jf061461s

has been cited by the following article:

• TITLE: Global Optimization of Norris Derivative Filtering with Application for Near-Infrared Analysis of Serum Urea Nitrogen

  AUTHORS: Yihui Yang, Tao Pan, Jing Zhang

  KEYWORDS: Near-Infrared Spectral Analysis, Serum Urea Nitrogen, Norris Derivative Filter, Norris-Partial Least Squares, Global Optimization

  JOURNAL NAME: American Journal of Analytical Chemistry, Vol.10 No.5, May 10, 2019

  ABSTRACT: Near-infrared (NIR) spectroscopy combined with chemometrics methods was applied to the rapid and reagent-free analysis of serum urea nitrogen (SUN). The mul-partitions modeling was performed to achieve parameter stability. A large-scale parameter cyclic and global optimization platform for Norris derivative filter (NDF) of three parameters (the derivative order: d, the number of smoothing points: s and the number of differential gaps: g) was developed with PLS regression. Meantime, the parameters’ adaptive analysis of NDF algorithm was also given, and achieved a significantly better modeling effect than one without spectral pre-processing. After eliminating the interference wavebands of saturated absorption, the modeling performance was further improved. In validation, the root mean square error (SEP), correlation coefficient (RP) for prediction and the ratio of performance to deviation (RPD) were 1.66 mmol∙L-1, 0.966 and 4.7, respectively. The results showed that the high-precision analysis of SUN was feasibility based on NIR spectroscopy and Norris-PLS. The global optimization method of NDF is also expected to be applied to other analysis objects.